Diet Overlap

Anas platyrhynchos (Mallard)
Calidris mauri (Western Sandpiper)

Common Diet

Triglochin maritima (Sea Arrow Grass)

Common Habitat

Alaska Maritime National Wildlife Refuge
Aleutian Islands Biosphere Reserve
Alto Golfo de California y Delta del Rio Colorado
Amistad National Recreation Area
Anza-Borrego Desert State Park, CA
Arctic coastal tundra
Arctic foothills tundra
Arctic National Wildlife Refuge
Arkansas Post National Memorial
Assateague Island National Seashore
Audubon National Wildlife Refuge
Bahamian pine mosaic
Bahamoan-Antillean mangroves
Bajío dry forests
Beaver Creek Biosphere Reserve
Beringia lowland tundra
Beringia upland tundra
Bermuda subtropical conifer forests
Big Bend Biosphere Reserve
Big Cypress National Preserve
Big Morongo Canyon Preserve
Bighorn Canyon National Recreation Area
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Boggs Lake Preserve
Bombay Hook National Wildlife Refuge
Bruce Peninsula National Park
Bryce Canyon National Park
Buenavista
Cabrillo National Monument
California Central Valley grasslands
California Coast Ranges Biosphere Reserve
California coastal sage and chaparral
California Floristic Province
California interior chaparral and woodlands
California montane chaparral and woodlands
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Caribbean Islands
Carlsbad Caverns National Park
Carolinian-South Atlantic Biosphere Reserve
Carrizo Plain Preserve
Cedar Creek LTER Site
Central Gulf Coastal Plain Biosphere Reserve
Central Mexican matorral
Central Plains Biosphere Reserve
Channel Islands National Marine Sanctuary
Channel Islands National Park
Chattahoochee River National Recreation Area
Chesapeake & Ohio Canal National Hist. Park
Chihuahuan desert
Ciénaga de Zapata National Park
Coachella Valley Preserve
Creighton Ranch Preserve
Cuban cactus scrub
Cuban dry forests
Cuban moist forests
Cuban pine forests
Cuban wetlands
Cumberland Island National Seashore
Curecanti National Recreation Area
Death Valley National Park
Deer Flat National Wildlife Refuge
Denali Biosphere Reserve
Dos Palmas Preserve
Elkhorn Slough Preserve
Everglades
Farallon National Wildlife Refuge
Fathom Five National Marine Park
Florida sand pine scrub
Fort Matanzas National Monument
Fort Pulaski National Monument
Gates of the Arctic National Park
Gateway National Recreation Area
Glacier Bay National Park and Preserve
Glacier National Park
Glen Canyon National Recreation Area
Golden Gate National Recreation Area
Grand Canyon National Park
Gray Lodge State Wildlife Area
Great Basin National Park
Greenwater Provincial Park
Guadalupe Mountains National Park
Gwaii Haanas National Park Reserve
Hawaii tropical dry forests
Hawaii tropical low shrublands
Hawaii tropical moist forests
Interior Alaska-Yukon lowland taiga
Ivvavik National Park
Jalisco dry forests
Jasper National Park
Jean Lafitte National Hist. Park & Preserve
Jepson Prairie Preserve
Joshua Tree National Park
Kaloko-Honokohau National Historical Park
Kern River Preserve
Klamath-Siskiyou forests
Lacassine National Wildlife Refuge
Lake Mead National Recreation Area
Lake Meredith National Recreation Area
Lake Roosevelt National Recreation Area
Land Between the Lakes Biosphere Reserve
Lanphere-Christensen Dunes Preserve
Lassen Volcanic National Park
Lava Beds National Monument
Little St. Simons Island
Long Point Biosphere Reserve
Meseta Central matorral
Mesoamerica
Middle Atlantic coastal forests
Mississippi lowland forests
Mojave and Colorado Deserts Biosphere Reserve
Mount Arrowsmith
Niagara Escarpment Biosphere Reserve
Nipomo Dunes Preserve
Noatak Biosphere Reserve
North America
Northern California coastal forests
Northwestern Hawaii scrub
Okefenokee National Wildlife Refuge
Olympic Biosphere Reserve
Organ Pipe Cactus Biosphere Reserve
Pacific Rim National Park Reserve
Padre Island National Seashore
Paine Preserve
Petrified Forest National Park
Philip L. Boyd Deep Canyon Desert Research Center
Pipe Spring National Monument
Point Pelee National Park
Point Reyes National Seashore
Polynesia-Micronesia
Prince Edward Island National Park
Pukaskwa National Park
Redwood National Park
Reserva de Mapimi
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Roosevelt Vanderbilt National Historic Site
Saint Croix International Historic Site
Salt Plains National Wildlife Refuge
San Dimas Biosphere Reserve
San Juan Island National Historical Park
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area
Santee Coastal Reserve and Washo Reserve
Shortgrass Steppe LTER Site
Sinaloan dry forests
Sleeping Bear Dunes National Lakeshore
Sonoran desert
Sonoran-Sinaloan transition subtropical dry forest
South Atlantic Coastal Plain Biosphere Reserve
South Florida rocklands
Southeastern conifer forests
Southeastern mixed forests
Tamaulipan matorral
Tamaulipan mezquital
Tawas Point State Park
Vina Plains Preserve
Virginia Coast Biosphere Reserve
Voyageurs National Park
Western Gulf Coastal grasslands
Wheeler National Wildlife Refuge
White Sands National Monument
Wrangell-St. Elias National Park and Preserve
Yellowstone Biosphere Reserve
Yoho National Park
Zion National Park

Attributes / relations provided by
♦ 1Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979